Nrụgide ikuku dị elu Dth Down Hammer Hole na China

DTH hammers na-arụ ọrụ na DTH mkpọpu ọkpọkọ na DTH drill bit, tumadi etinyere na Ngwuputa, Marble mgbawa okwute ma ọ bụ olulu mmiri na ndị ọzọ na-ewu ọrụ.

Nlereanya	Njikọ eriri	OD (mm)	Nha oghere	Shank Style	Nrụgide ọrụ(Ogwe mmanya)
CD35	API 2 3/8" Reg	φ82mm	90-φ105	Ọnụ ego nke DHD3.5 CD35	1.0-1.5Mpa
CD45	API 2 3/8" Reg	φ99mm	110-φ135	Ndị uwe ojii44 DDR340 CD45	1.0-2.5Mpa
CSD4	API 2 3/8" Reg	φ99mm	110-φ135	SD4 CSD4	1.0-2.5Mpa
CQL40	API 2 3/8" Reg	φ99mm	110-φ135	QL40 CQL40	1.0-2.5Mpa
CD55	API 2 3/8" Reg API 3 1/2" Reg	φ125mm	135-φ155	Ndị uwe ojii 54 USD350R CD55	1.0-2.5Mpa
CSD5	API 3 1/2" Reg	φ125mm	135-φ155	SD5 CSD5	1.0-2.5Mpa
CQL50	API 3 1/2" Reg	φ125mm	135-φ155	Ndị uwe ojii 54 QL50 CQL50	1.0-2.5Mpa
CD65	API 3 1/2" Reg	φ148mm	155-φ190	Cop64 DDR360 CD65	1.0-2.5Mpa
CSD6	API 3 1/2" Reg	φ148mm	155-φ190	SD6 CSD6	1.0-2.5Mpa
CQL60	API 3 1/2" Reg	φ148mm	155-φ190	Cop64 QL60 CQL60	1.0-2.5Mpa
CD85	API 4 1/2" Reg	φ185mm	195-φ254	Cop84 USD380 CD85	1.0-2.5Mpa
CSD85	API 4 1/2" Reg	φ185mm	195-φ254	SD8 CSD8	1.0-2.5Mpa
CQL80	API 4 1/2" Reg	φ185mm	195-φ254	QL80 CQL80	1.0-2.5Mpa
CSD10	API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg	φ225mm	φ254-φ311	SD10 CSD10	1.0-2.5Mpa
CN100	API 6 5/8" Reg	φ225mm	φ254-φ311	NUMA100 CN100	1.0-2.5Mpa
CSD12	API 6 5/8" Reg	φ275mm	φ305-φ445	SD12 CSD12	1.0-2.5Mpa